ECU Lexus IS250 2009 Quick Guide

4
IS_U (L/O_0808)
Shift paddle switches (automatic transmission)
P.20
Windshield wipers and
washer switch
P.35
Engine (ignition) switch P.19
Air conditioning system P.42
Emergency flasher switch P.26
Rear window and outside rear
view mirror defoggers
P.37
Security indicator light P.9
Audio system P.39
Glove box P.48
Trunk opener main switch P.56
See P.5.
Cruise control switch
∗
Dynamic radar cruise control switch
∗
P.29
P.30
Distance switch ∗ P.30
ECT switch (automatic transmission)
ETCS switch (manual transmission)P.27
P.27
∗ : If equipped

Topic 1
Entering and Exiting
9
IS_U (L/O_0808)
Theft Deterrent System
■Engine immobilizer system
The engine immobilizer system prevents the
engine from being started in the event that an
attempt is made to start the vehicle using an
unregistered key.
The security indicator light flashes to indicate that
the system is set.
■ Alarm
The system sounds the alarm and flashes lights when forcible entry is detected.
To set the alarm: lock all the doors from outside the vehicle. The security indicator light
comes on to indicate that the alarm is in its preparation state. When the indicator light
begins to flash, the system is armed.
To deactivate or stop the alarm: turn the “ENGINE START STOP” switch to ACCESSORY
or IGNITION ON mode, or unlock the doors or trunk using the electronic key or the wire-
less remote control.
■ Steering lock
The steering wheel locks when the “ENGINE
START STOP” switch is OFF.
When the steering lock cannot be released, the
green indicator light on the “ENGINE START
STOP” switch will flash and a message will be
shown on the multi-information display. To release
it, gently turn the wheel left or right while pressing
the “ENGINE START STOP” switch.
The theft deterrent system includes the following features to help protect your vehicle from
theft.

Topic 5
Driving Comfort
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IS_U (L/O_0808)
Garage Door Opener
The garage door opener (HomeLink Universal Transceiver) is manufactured under license
from HomeLink. The HomeLink compatible transceiver in your
vehicle has 3 buttons which can be programmed
to operate 3 different devices.
■ Programming HomeLink
Hold your hand-held transmitter within 3
inches of the HomeLink buttons.
Press and hold down the desired HomeLink
button.
For U.S.A. owners: While pressing the HomeLink
 button,
press and hold down the button on the hand-
held transmitter until the indicator light
changes from a slow to a rapid flash.
For Canadian owners: While pressing the HomeLink
 button,
repeatedly press and release (cycle) the but-
ton on the hand-held transmitter every 2
seconds until the indicator light changes
from a slow to a rapid flash.
If your garage door is of the rolling code type: Press the training button on the motor-head unit
in your garage.
Press and hold the vehicle’s programmed
HomeLink
 button for 2 seconds and release
it. Repeat this step once again. If the door does not open, press and release
the same button once again.
The garage door opener can be programmed to operate garage doors, gates, entry
doors, door locks, home lighting system s, security systems, and other devices.